Just another update

Task/Hello-world-Graphical/Python/hello-world-graphical-5.py

@@ -1,6 +1,53 @@
-import wx
+# HelloWorld for VPython - HaJo Gurt - 2014-09-20
+from visual import *
 
-app = wx.App(False)
-frame = wx.Frame(None, wx.ID_ANY, "Hello, World")
-frame.Show(True)
-app.MainLoop()
+scene.title = "VPython Demo"
+scene.background = color.gray(0.2)
+
+scene.width  = 600
+scene.height = 400
+scene.range  = 4
+#scene.autocenter = True
+
+S = sphere(pos=(0,0,0), radius=1, material=materials.earth)
+rot=0.005
+
+txPos=(0, 1.2, 0)
+
+from visual.text import *
+# Old 3D text machinery (pre-Visual 5.3): numbers and uppercase letters only:
+T1 = text(pos=txPos, string='HELLO', color=color.red, depth=0.3, justify='center')
+
+import vis
+# new text object, can render text from any font (default: "sans") :
+T2 = vis.text(pos=txPos, text="Goodbye", color=color.green, depth=-0.3, align='center')
+T2.visible=False
+
+Lbl_w = label(pos=(0,0,0), text='World', color=color.cyan,
+              xoffset=80, yoffset=-40)     # in screen-pixels
+
+L1 = label(pos=(0,-1.5,0), text='Drag with right mousebutton to rotate view',   box=0)
+L2 = label(pos=(0,-1.9,0), text='Drag up+down with middle mousebutton to zoom', box=0)
+L3 = label(pos=(0,-2.3,0), text='Left-click to change', color=color.orange,     box=0)
+
+print "Hello World"     # Console
+
+
+cCount = 0
+def change():
+    global rot, cCount
+    cCount=cCount+1
+    print "change:", cCount
+    rot=-rot
+    if T1.visible:
+        T1.visible=False
+        T2.visible=True
+    else:
+        T1.visible=True
+        T2.visible=False
+
+scene.bind( 'click', change )
+
+while True:
+  rate(100)
+  S.rotate( angle=rot, axis=(0,1,0) )

Task/Hello-world-Graphical/Python/hello-world-graphical-6.py

@@ -0,0 +1,6 @@
+import wx
+
+app = wx.App(False)
+frame = wx.Frame(None, wx.ID_ANY, "Hello, World")
+frame.Show(True)
+app.MainLoop()